Finding the Fourth Proportional to 160,020.48, 220,831.44 and 88,403.07
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Solution
The fourth proportional to 160,020.48, 220,831.44 and 88,403.07 is: 121,997.99
Step by Step Solution
- Step 1: Write the proportion equation
160,020.48 : 220,831.44 = 88,403.07 : x - Step 2: Convert to fraction form
160,020.48/220,831.44 = 88,403.07/x - Step 3: Cross multiply
160,020.48x = 220,831.44 × 88,403.07 - Step 4: Simplify right side
160,020.48x = 19,522,177,248.52 - Step 5: Solve for x
x = 19,522,177,248.52/160,020.48 - Step 6: Final answer
x = 121,997.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.